Jet device for mixing and dispensing glue

Abstract

A jet device for mixing and dispensing glue. The jet device structurally includes glue feeding modules, a glue mixing module, a glue dispensing module, a cooling module, and a control module, where the at least two glue feeding modules are arranged, are in fluid communication with the glue mixing module through individual glue channels, and are capable of quantitatively conveying two-component glue at a constant pressure; a glue blending cavity and a spiral stirrer are arranged in the glue mixing module, two components of the glue converge in the glue blending cavity and are dynamically stirred and mixed by a stirring paddle, and stirring thrust pushes and guides the mixed glue to flow into the glue dispensing module; and the glue dispensing module drives, through a piezoelectric jet valve, a valve rod to move, to accurately jet the mixed glue.

What is claimed is: 
     
         1 . A jet device for mixing and dispensing glue, comprising glue feeding modules, a glue mixing module, and a glue dispensing module, wherein the at least two glue feeding modules are arranged and are in fluid communication with the glue mixing module through individual glue channels, the glue mixing module comprise a glue blending housing, a glue blending cavity is provided in the glue blending housing in a vertical direction, glue conveyed by the glue feeding modules converges in the glue blending cavity and is preliminarily mixed, the glue mixing module further comprises a spiral stirrer, the spiral stirrer is composed of a stirring driving member and a stirring paddle, one end of the stirring paddle is in transmission connection to an output end of the stirring driving member, the other end of the stirring paddle vertically extends into the glue blending cavity, different components of the glue in the glue blending cavity are dynamically stirred and mixed through rotation of the stirring paddle, and the mixed glue flows into the glue dispensing module along a bottom of the glue blending cavity, and is dispensed by the glue dispensing module. 
     
     
         2 . The jet device for mixing and dispensing glue according to  claim 1 , wherein each glue feeding module comprises a glue feeding housing, a glue feeding channel is provided in each glue feeding housing in a vertical direction, a glue inlet in communication with each glue feeding channel is provided on a side wall of the glue feeding housing, and a glue feeding valve for accurately and quantitatively feeding the glue is fixedly mounted at each glue inlet. 
     
     
         3 . The jet device for mixing and dispensing glue according to  claim 1 , wherein each glue feeding module further comprises a glue feeding propeller, each glue feeding propeller comprises a sleeve and a screw rod, each sleeve is fixedly mounted in the glue feeding channel, an axis of each screw rod coincides with an axis of the sleeve, each glue feeding propeller further comprises a direct-current electric motor, each direct-current electric motor is arranged in a cavity in the glue feeding housing, an output shaft of each direct-current electric motor is in transmission connection to the screw rod, and each screw rod is driven to rotate in the sleeve by the direct-current electric motor, to push the glue to be conveyed to the glue mixing module along the glue feeding channel. 
     
     
         4 . The jet device for mixing and dispensing glue according to  claim 3 , wherein each glue channel comprises a glue blending channel front segment and a glue blending channel rear segment, each glue blending channel front segment is provided in the glue feeding housing in a glue flow direction, one end of each glue blending channel front segment is in communication with the glue feeding channel, the other end of each glue blending channel front segment is in communication with the glue blending channel rear segment, a pressure sensor is mounted outside each glue feeding housing, and a measurement end of each pressure sensor extends into a joint between the glue blending channel front segment and the glue feeding channel, and is configured to monitor a pressure of the glue in the glue feeding channel in real time. 
     
     
         5 . The jet device for mixing and dispensing glue according to  claim 4 , wherein each glue blending channel rear segment is provided in the glue blending housing in a glue flow direction, one end of a glue feeding channel rear segment is in communication with the glue blending channel front segment, the other end of the glue feeding channel rear segment is in communication with the glue blending cavity, and a communication position is located at an upper-middle portion of the glue blending cavity, to ensure the glue to smoothly flow into the glue blending cavity. 
     
     
         6 . The jet device for mixing and dispensing glue according to  claim 1 , wherein a glue dispensing channel front segment is provided in the glue blending housing, one end of the glue dispensing channel front segment is in communication with the bottom of the glue blending cavity, the other end of the glue dispensing channel front segment extends to the bottom of the glue blending housing, the glue dispensing channel front segment is provided below an axial tail end of the stirring paddle, and downward thrust generated by the rotation of the stirring paddle pushes the mixed glue into the glue dispensing channel front segment. 
     
     
         7 . The jet device for mixing and dispensing glue according to  claim 6 , wherein the glue dispensing module comprises a glue dispensing housing, a glue dispensing channel rear segment is provided in the glue dispensing housing, the glue dispensing channel rear segment is in communication with the glue dispensing channel front segment, a glue dispensing cavity in communication with the glue dispensing channel rear segment is provided in the glue dispensing housing, a nozzle mounting hole is provided at a bottom of the glue dispensing cavity, a nozzle is mounted in the nozzle mounting hole, a piezoelectric jet valve is mounted at a top of the glue dispensing cavity, a valve rod of the piezoelectric jet valve extends into the glue dispensing cavity, and the valve rod is driven by expansion and contraction of a piezoelectric ceramic to move up and down, to control the glue to be jetted from the nozzle. 
     
     
         8 . The jet device for mixing and dispensing glue according to  claim 1 , further comprising a cooling module, wherein the cooling module is configured to cool the glue dispensing cavity and the piezoelectric jet valve. 
     
     
         9 . The jet device for mixing and dispensing glue according to  claim 1 , wherein at least one cleaning channel is provided in the glue blending housing, one end of the cleaning channel is in communication with a side wall of a top of the glue blending cavity, the other end of the cleaning channel extends to an outer wall of the glue blending housing, a cleaning valve is arranged at a location, corresponding to an extension end of the cleaning channel, outside the glue blending housing, and by controlling opening and closing of the cleaning valve, a cleaning fluid is injected into the glue blending cavity, to clean the glue blending cavity, the stirring paddle, and the glue dispensing cavity. 
     
     
         10 . The jet device for mixing and dispensing glue according to  claim 1 , further comprising a control module, wherein the glue feeding modules, the glue mixing module, the glue dispensing module, the cooling module, and the control module are designed to be modularized and detachably connected through standardized interfaces.